CN210845749U

CN210845749U - Impact spraying type cooling and dedusting tower

Info

Publication number: CN210845749U
Application number: CN201921699936.2U
Authority: CN
Inventors: 陈汉华
Original assignee: Foshan Chenboshi Environmental Protection Engineering Co ltd
Current assignee: Foshan Chenboshi Environmental Protection Engineering Co ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-06-26
Anticipated expiration: 2029-10-10

Abstract

The utility model discloses an impact spray type cooling and dust removing tower, which comprises an outer shell, an inner shell and a clapboard, wherein an air inlet is arranged at the side surface of the outer shell, a drain outlet is arranged at the bottom, a drain valve is arranged at the drain outlet, an exhaust port is arranged at the top part, the top part of the inner shell is sealed with the inner side surface of the outer shell, a notch is arranged at the edge of the bottom part and forms an interlayer with the inner wall of the outer shell, the clapboard is arranged at the opposite side of the air inlet, a first annular lower spray pipe is arranged at the top part of the interlayer, a plurality of spiral diversion sheet layers are arranged in the inner space of the inner shell, a second annular lower spray pipe is arranged below the diversion sheet layers, high-temperature flue gas enters the interlayer from the gas inlet, passes through the spiral flow guide sheet layer after being sprayed by the first annular lower spraying pipe, passes through the packing layer after being sprayed by the third annular lower spraying pipe again, demists, and is discharged out of the dust removal tower through the gas outlet. The utility model discloses the dust removal cooling effect that sprays has been strengthened.

Description

Impact spraying type cooling and dedusting tower

Technical Field

The utility model relates to an environmental protection dust collecting equipment field especially relates to an impact spray formula cooling gas wash tower, shower, spiral water conservancy diversion lamella layer, third annular shower and packing layer under shower, second annular under shell, inner shell, baffle, first annular.

Background

In the industrial production process, because some equipment such as a blast furnace smelting boiler provides heat required by production through coal-fired fuel oil, a large amount of coal-fired fuel oil high-temperature flue gas can be generated in the process, if the discharged high-temperature flue gas is directly discharged into the atmosphere without being subjected to purification treatment, the environment can be seriously polluted, and therefore, the discharged high-temperature flue gas can be discharged into an external atmospheric space after being subjected to effective dust removal treatment so as to meet the environment-friendly requirement. Because the temperature of the industrial high-temperature flue gas discharged for the first time is too high and the granularity of the dust is large, great difficulty is brought to dust removal treatment, the dust removal efficiency is influenced, and in order to improve the dust removal efficiency and reduce the treatment difficulty, the high-temperature flue gas needs to be pretreated to separate part of large-particle dust or reduce the temperature of the flue gas in advance. Most of the conventional spray dust removal towers spray the flue gas directly entering the tower through a spray pipe to achieve the aim of water mist dust removal, but the dust removal effect of the method is not ideal.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a technical problem be how to strengthen the impact of high temperature flue gas and spray dust removal effect.

For solving the technical problem, the utility model discloses a technical scheme be an impact spray formula cooling gas wash tower, including shell, inner shell and baffle, the shell side has advanced the air inlet, and the bottom is provided with the drain, the drain is provided with blowoff valve, top and is provided with the gas vent, the inner shell top with the shell medial surface is airtight, the bottom border be equipped with the breach and with shell inner wall forms the intermediate layer, the intermediate layer is provided with the baffle in the air inlet opposite side, the intermediate layer top is provided with shower under the first annular, be equipped with a plurality of spiral water conservancy diversion lamella layers in the inner shell inner space, water conservancy diversion lamella layer below is provided with shower under the second annular, inner shell top be equipped with at least two-layer packing layer in the shell inner space, the bottommost the packing layer below is provided with shower under the third annular, and high temperature flue gas follows the air inlet gets into the intermediate layer warp the shower passes under the first annular passes And the water curtain layer above the opening passes through the spiral flow guide sheet layer, is sprayed by the third annular lower spraying pipe again, passes through the packing layer for demisting, and is discharged out of the dust removal tower through the exhaust port.

Preferably, the indentations are saw-toothed and evenly distributed.

Preferably, the spiral flow guide sheet layer is three layers, and a distance is kept between the layers to keep smooth air draft.

Preferably, the second annular lower spray pipes are uniformly distributed and are set in quantity according to the cross-sectional area of the spiral flow deflector layer.

Preferably, the third annular lower spray pipes are set in quantity and uniformly distributed according to the cross-sectional area of the filler layer.

Preferably, the filler layer is two layers, and a distance is kept between the two layers to keep smooth air draft.

Preferably, the packing layer is filled with environment-friendly small balls to demist the flue gas and prevent water drops from splashing.

Compared with the prior art, the utility model discloses make high temperature flue gas through the inner shell separate hinder, spray after, the cascade layer that forms through inner shell bottom border breach top has increased the atomizing density that sprays to the flue gas, through the water conservancy diversion of spiral water conservancy diversion lamellar, spray and the defogging of packing layer after handling, has strengthened dust removal cooling effect.

Drawings

FIG. 1 is a schematic cross-sectional structure of the present invention;

fig. 2 is a schematic view of the cross-sectional structure of the utility model A-A.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings, but the present invention is not limited thereto.

FIG. 1 and FIG. 2 show an impact spray type cooling and dust removing tower, which comprises an outer shell 1, an inner shell 2 and a partition plate 3, wherein an air inlet 11 is arranged on the side surface of the outer shell 1, a sewage outlet 12 is arranged at the bottom, the sewage outlet 12 is provided with a sewage valve 13, an exhaust port 14 is arranged at the top, the top of the inner shell 2 is sealed with the inner side surface of the outer shell 1, a notch 21 is arranged at the bottom edge and forms an interlayer 15 with the inner wall of the outer shell 1, the partition plate 3 is arranged on the opposite side of the air inlet 11 of the interlayer 15 to prevent airflow from circularly flowing in the interlayer 15, a first annular lower spray pipe 16 is arranged at the top of the interlayer 15, a plurality of spiral diversion sheet layers 22 are arranged in the inner space of the inner shell 2, a second annular lower spray pipe 23 is arranged below the diversion sheet layers 22, at least two packing layers, high-temperature flue gas enters the interlayer 15 from the gas inlet 11, is sprayed by the first annular lower spraying pipe 16, then passes through the water curtain layer above the notch 21, passes through the spiral flow guide plate layer 22, is sprayed by the third annular lower spraying pipe 18 again, passes through the packing layer 17, is demisted, and then is discharged out of the dust removal tower through the gas outlet 14.

The notches 21 are saw-toothed and evenly distributed.

The spiral guide sheet layer 22 is three layers, and a distance is kept between every two layers to keep smooth air draft.

The second annular lower spray pipes 23 are set in number and uniformly distributed according to the cross-sectional area of the spiral flow guide sheet layer 22.

The third annular lower spray pipes 18 are set in number and uniformly distributed according to the cross-sectional area of the packing layer 17.

Packing layer 17 is two layers, keeps having the smoothness of interval in order to keep convulsions between the layer, and packing layer 17 is filled up the environmental protection bobble in order to strike the defogging to the flue gas, prevents that the drop of water from splashing.

The utility model discloses the theory of operation:

when the dust removal tower is in a working state, a bottom blowoff valve 13 of an outer shell 1 in the dust removal tower is closed, water is stored at the bottom of the outer shell 1, the water level of the water is slightly higher than the gap of an inner shell 2 to form a sealed water sealing layer for an interlayer 15, a first annular lower spray pipe 16 arranged at the top of the interlayer 15 circularly extracts water from a bottom reservoir to spray high-temperature flue gas entering the interlayer 15, the high-temperature flue gas enters from an air inlet 11 and then impacts the outer side surface of the inner shell, the speed is reduced, and part of dust falls into the lower reservoir to be deposited under the spraying atomization action of the first annular lower spray pipe 16; meanwhile, a powerful air draft device is externally connected to the top of the outer shell 1, under the action of powerful air draft of the powerful air draft device, upward air flow attraction is formed in the inner space of the inner shell 2, the water level of the water storage tank in the dust removal tower is attracted and improved, a water mist layer formed by a notch 21 on the lower edge of the inner shell 2 is exposed, so that a closed channel 15 below the interlayer 15 is opened, high-temperature flue gas passes through the channel opened below the closed channel 15 and passes through the notch 21 to be washed by the water mist layer above and sprayed by a second annular lower spraying pipe 23, partial dust is continuously discharged and deposited in the water storage tank, then the high-temperature flue gas advances to an upper packing layer 17 under the guidance of a spiral diversion sheet layer 22, after being sprayed by a third annular lower spraying pipe 18, partial dust falls into the water storage tank below to be deposited, and spray water required by the second annular lower spraying pipe 23 and the third annular lower spraying pipe 18 is extracted from the water, the high-temperature flue gas passes through the packing layer 17 again to remove mist and is discharged out of the dust removal tower through the exhaust port 14, and the water body of the water tank in the dust removal tower is periodically replaced, so that the dust removal and cooling effects of the dust removal tower are maintained.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention.

Claims

1. The utility model provides an impact fountain cooling gas wash tower, includes shell, inner shell and baffle, the shell side has advanced the air inlet, and the bottom is provided with the drain, the drain is provided with the blowoff valve, the top is provided with the gas vent, inner shell top be equipped with two-layer at least packing layer in the shell inner space, the bottommost the packing layer below is provided with shower under the third annular, a serial communication port, the inner shell top with the shell medial surface is airtight, the bottom border be equipped with the breach and with shell inner wall forms the intermediate layer, the intermediate layer is provided with the opposite side at the air inlet the baffle, the intermediate layer top is provided with shower under the first annular, be equipped with a plurality of spiral water conservancy diversion lamella layers in the inner shell inner space, water conservancy diversion lamella layer below is provided with shower under the.

2. The impingement spray cooling and dust removal tower of claim 1, wherein said gaps are saw-toothed and uniformly distributed.

3. The impingement spray cooling and dust removal tower of claim 1, wherein the spiral deflector layer has three layers, and a space is maintained between the layers.

4. The impingement spray cooling and dust removal tower of claim 1, wherein the second annular lower spray pipes are uniformly distributed and in a predetermined number according to the cross-sectional area of the spiral deflector layer.

5. The impingement spray cooling and dust removal tower of claim 1, wherein the third annular lower spray pipes are uniformly distributed and in a predetermined number according to the cross-sectional area of the packing layer.

6. The impact spray type temperature and dust reducing tower according to claim 1, wherein the filler layer is two layers, and a space is kept between the two layers.